Bug 437954: change default downlaod directory to ~/Downloads, r=mfinkle

mobile/app/mobile.js

@@ -73,7 +73,7 @@ pref("nglayout.debug.disable_xul_fastload", false);
 
 /* download manager (don't show the window or alert) */
 pref("browser.download.useDownloadDir", true);
-pref("browser.download.folderList", 0);
+pref("browser.download.folderList", 1); // Default to ~/Downloads
 pref("browser.download.manager.showAlertOnComplete", false);
 pref("browser.download.manager.showAlertInterval", 2000);
 pref("browser.download.manager.retention", 2);